[IGSREPORT-4035] Wk 0917 GFZ Analysis Report

G. G.
Thu Aug 14 03:21:51 PDT 1997


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IGS Electronic Report    Thu Aug 14  3:21:51 PDT 1997      Message Number 4035
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Author: G. Gendt
Subject: Wk 0917 GFZ Analysis Report

Subject: Wk 0917 GFZ Analysis Report


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GFZ ANALYSIS REPORT   GPS-WEEK 0917 (DAYS 215-221, DATES 03-08-97 TO 09-08-97)
******************************************************************************

Submitted by: G. Gendt, Ch. Reigber, G. Dick, W. Soehne, Th. Nischan,
              W. Sommerfeld, G. Beeskow, 
              GeoForschungsZentrum Potsdam (GFZ)
             
              Telegrafenberg A17, D-14473 Potsdam, Germany
              e-mail:gend at gfz-potsdam.de
              fax: (0331) 288 1111
              tel: (0331) 288 1114 

PRODUCT SUMMARY

FILES SENT TO IGN: 
______________________________________________________________________________
gfz09177.sum           this text file
gfz09177.erp           Earth rotation parameters 
gfz09177.snx           Weekly SINEX File 
gfz0917[0-6].sp3       Daily orbit ephemerides , SP3 format
______________________________________________________________________________


ERP RESULT

GFZ    ERP-RESULTS for WEEK 0917       DAYS  214 - 221
_______________________________________________________________________________
  MJD      Xpole  Ypole  UT1R-TAI  LODR Xsig Ysig UTsig LODsig Nr Nf Nt  X-RT Y-RT X-RTsig Y-RTsig
            E-5"   E-5"    usec    us/d  E-5" E-5"   us  us/d            E-5" E-5"    E-5"     E-5"
50662.500  12833  51144 -30511847  1515    2    2    3    3    55 16 25  305 -144       4       4
50663.500  13134  51071 -30513331  1454    2    2    3    3    53 16 25  289 -119       4       4
50664.500  13417  50932 -30514774  1432    2    2    3    3    53 16 25  268 -168       5       5
50665.500  13699  50775 -30516204  1428    2    2    3    3    52 16 25  289 -117       5       5
50666.500  13960  50652 -30517631  1425    2    2    3    3    51 16 25  225 -157       5       5
50667.500  14175  50504 -30519066  1445    2    2    3    3    52 16 25  204 -135       5       5
50668.500  14397  50352 -30520516  1456    2    2    4    4    52 16 25  247 -167       5       5
50669.500  14629  50173 -30521996  1505    2    2    4    4    51 16 25  225 -168       5       5
____________________________________________________________________________________________________




ORBITS REPEATABILITY (cm):
(mean component error rms =sqrt((xrms**2 + yrms**2 + zrms**2)/3) )


            DAY 1  (24 h)    pred.     DAY 2  (24 h)
   |------------------------|------|                            
 
                            |------------------------|

   Six-hour overlap:        |xxxxxx|


   (only rms < 120 are used for MEAN)

Note: E - indicates that the satellite is in eclipse

---------------------------------------------------
                 RMS for DAY
PRN  215    216    217    218    219    220    221    
-------------------------------------------------------
01    20     14     16     18     16     17     21  
02    18     12     13     15     16     11     12  
03    24 E   29 E   73 E   27 E   21 E   26 E   15 E
04    12     16     13     10     12     12     15  
05    19      9     21      9     17     17     16  
06    18 E   32 E   37 E   38 E   32 E   37 E   34 E
07    31 E   38 E   40 E   33 E   33 E   30 E   33 E
09     7     10      7      6      8      6      7  
10    20     14     21     15     15     19     13  
14    17      -      -     11     12      -      -  
15     8      8      7     10      7      8     12  
16    13      -      -      -      -     12     18  
17    12     21     20     14     12     12     18  
18    19     21     16     17     20     14     16  
19    13     13      8     10     13     11     10  
21    22     14     27     19     19     16     19  
22    14     20     11     13      8     12     12  
23    11     13      9     17     15      9      7  
24    11     10     13     15      8     12     18  
25     9     14     12      8      6     13     10  
26    19     16     13     24     22     18     21  
27    13     10     13     11     15     13      8  
29    11     11     11     11     13     13     13  
30     7      7      7      6      6     15      7  
31    27 E   26 E   28 E   29 E   29 E   32 E   31 E

MEAN  17     18     24     18     17     18     18
---------------------------------------------------
REMARKS: PNR14 deleted from sp3-file for day 216,220,221
         modelling problems
         PNR16 deleted from sp3-file for day 216,218
         modelling problems
        

                 
CLOCK ESTIMATION:  ALGO was used as time reference



STATIONS USED BY GFZ INCLUDING STATISTICS

Sampling rate: 6 minutes         
                                                          
 IGS  INTERNAL         OBSERVATIONS for DAY
 CODE  STA#               215  216  217  218  219  220  221
----------------------------------------------------
onsa  105001             1224 1135 1235 1178 1232 1202 1172
kosg  110001 F           1284 1130 1264 1203 1290 1241 1208
wsrt  111001             1277 1175    0 1228 1262 1209 1220
mad2  120101                0 1068 1196 1147 1149 1177 1169
mate  130002             1273 1130 1256 1191 1252 1180 1191
nyal  140001             1195 1183 1272 1221    0    0    0
wtzr  160101 F           1249 1151 1231 1198 1250 1170 1185
ober  161001             1232 1116 1233 1164 1224 1155    0
pots  165001             1210 1122 1209 1166 1221 1139 1171
mets  180001             1236 1119    0    0 1226 1183 1191
zwen  190001             1000  911  962  929  966 1001    0
usud  200002             1192 1095 1121 1132 1177 1146 1089
tskb  205001             1251 1162 1248 1198 1243 1212 1186
taiw  220001             1153 1069 1165 1126 1207 1136 1146
kit3  235101              875  809  859  842  873  825  830
iisc  270002             1224 1139 1219 1199 1215    0    0
irkt  280001             1177 1068    0 1128 1187 1125 1134
tidb  305003 F           1217 1172 1207 1195 1205 1184 1142
yar1  310001 F           1233 1119 1248 1184 1235 1158 1019
hob2  321001             1197 1122 1187 1154 1202 1131 1123
mac1  330003             1154 1073 1173 1119 1175 1153 1178
chat  340001             1222 1129 1179 1170 1222 1172 1155
coco  350001             1149 1024 1199 1124 1163 1116 1125
dgar  360001             1091  987    0 1018 1113 1092 1103
algo  400003 F           1207 1079 1214 1155 1219 1155 1151
stjo  405003             1242 1156 1252 1194 1232 1173 1160
wes2  408001             1211 1129 1228  844    0 1173 1149
nlib  409001             1245 1160 1239 1186 1224 1178 1149
gol2  410101 F           1193 1151 1185 1188 1238 1183 1178
jplm  415002             1234 1144 1224 1168 1245 1192 1164
mdo1  418001             1224 1133 1235 1193 1256 1179 1191
fair  420002 F           1054 1111 1203 1127  845    0    0
yell  470004 F           1107 1102 1297 1226 1256 1188 1146
drao  475003             1275 1185 1283 1175 1263 1218 1208
rcm6  483001             1238 1161 1229 1193    0 1180 1173
brmu  485001             1174 1111    0 1170 1224 1146 1137
thu1  490001             1546 1426 1558 1467 1541    0 1446
sant  500002 F              0    0  686  856  913  636    0
kour  510001             1061 1038  777 1111 1101 1153 1100
fort  520001             1144 1031 1128 1185 1169 1094 1023
areq  530002             1098    0    0    0    0    0    0
braz  550001                0    0    0    0    0 1055  999
hark  600101             1251 1170 1263 1220 1245 1212 1236
mas1  610101             1182 1022 1162 1137 1148 1116 1123
mali  630001             1193 1176 1225 1178 1259 1197 1221
bahr  650001             1279 1189 1297 1246 1255 1214 1218
kokb  700002 F            794    0    0  755  696  553    0
guam  730001             1095 1010 1081 1092 1139 1126 1064
kwj1  740001             1059 1075    0 1089 1109    0    0
mcm4  800201             1242 1079 1213 1203 1227 1067 1173
dav1  810001              869  837    0    0    0    0  987
cas1  820001             1125  974 1108  985 1123 1095 1103
kerg  850001                0 1088 1185 1160 1240 1185 1163

Note: F    - indicates a constrained fiducial site ( to 1-2 mm )



SATELLITE STATISTICS

                OBSERVATIONS for DAY (24-hour arcs used)

PRN     215  216  217  218  219  220  221
------------------------------------------
  1    2480 2532 2270 2401 2372 2349 2299
  2    2200 2318 1978 2371 2261 2198 2124
  3    2285 2335 1997 2313 2159 2153 1990
  4    2393 2535 2161 2463 2355 2276 2189
  5    2373 2393 2051 2334 2092 2181 2151
  6    2111 2190 1952 2213 2018 1965 1960
  7    2432 2391 2091 2456 2303 2124 2175
  9    2360 2329 2128 2255 2229 2123 2168
 10    2413 2461 2133 2422 2290 2205 2264
 14    2367    0 2030 2307 2209    0    0
 15    2409 2382 2096 2423 2286 2225 1995
 16    2306    0 1936    0 2234 2148 2000
 17    2282 2465 2172 2325 2287 2257 2262
 18    2165 2220 1936 2249 2144 2206 2057
 19    2296 2386 2109 2364 2377 2246 2074
 21    2392 2438 2100 2342 2321 2281 2136
 22    2460 2488 2149 2432 2350 2302 2293
 23    2466 2459 2199 2440 2354 2276 2252
 24    2462 2451 2124 2393 2234 2242 2274
 25    2389 2477 2118 2448 2330 2151 2112
 26    2341 2358 2103 2372 2354 2244 2237
 27    2410 2361 2137 2484 2360 2229 2109
 29    2508 2460 2174 2474 2315 2280 2228
 30    2312 2307 2022 2299 2230 2142 2107
 31    2338 2356 2029 2347 2261 2186 2169
-----------------------------------------




REPEATABILITY OF STATION COORDINATE SOLUTIONS
  by Residuals of Helmert-transformation  (units:mm)

YEAR: 97 DAYS: 208 to 214
      U,u: used for parameter determination in Helmert-transformation
      N,n: not used  
           [ u,n: deleted for repeatability computation   (2.5*sigma) ] 

 SITE  _____REPEATABILITY_____   NUMB REMARK WEEKDAY
           UP    NORTH    EAST               1234567
--------------------------------------------------------------------------------
 ALGO       .2     2.5     2.4   4000  FIXED UUUUUUU 
 AREQ      4.3     5.0    16.7   5300        NNNNNNN 
 ASC1     17.5     4.5    12.8   5700        NNNNNNN 
 BAHR     15.3     3.4     4.6   6500        NNNNNNN 
 BISH      4.4     5.9     4.1   2399        NNNNNNN 
 BRAZ     10.9     6.3    16.0   5500        NNNNNN. 
 BRMU      7.4     4.9     7.5   4850        NNNNNNN 
 CAS1     12.9    10.3     7.0   8200        NNNNNNN 
 CHAT     10.6     5.2     6.9   3400        NNNNNNN 
 COCO     17.9     4.4    33.8   3500        .....NN 
 DAV1      8.7     6.2    11.1   8100        N.NNNNN 
 DGAR     12.3     7.4    21.3   3600        NNNNNNN 
 DRAO      8.5     1.7     3.5   4750        NNNNNNN 
 FAIR      1.5     3.3     1.7   4200  FIXED UUUUUUU 
 FORT     17.8     6.1     5.8   5200        NNNNNNN 
 GOL2       .2      .4     1.5   4101        NNNNNNN 
 GUAM     18.5     2.7    13.6   7300        N....NN 
 HARK     12.4     4.9    11.7   6001        NNNNNNN 
 HOB2      5.9     4.0     5.6   3210        NNN..NN 
 IISC     18.5     9.6     9.5   2700        NNN.NNN 
 IRKT      4.7     5.5     6.4   2800        NNNNNNN 
 JPLM      5.5     1.9     2.4   4150        NNNNNNN 
 KERG     11.0     7.6    13.8   8500        NNNNNNN 
 KIT3     18.3     4.0     6.6   2351        NNNNNNN 
 KOKB      1.0     1.1     2.4   7000  FIXED UUUUUUU 
 KOSG      1.5     7.1     2.3   1100  FIXED UUUUUUU 
 KOUR     20.5     4.5     5.7   5100        NNN.NN. 
 KWJ1     23.5     4.9     8.3   7400        NNNNNNN 
 MAC1     11.8     2.6     8.4   3300        NNNNN.N 
 MAD2     14.8     8.0     6.8   1201        NNNNNNN 
 MALI     21.4     4.3    10.5   6300        NNNNNNN 
 MAS1      4.3     5.2     3.6   6101  FIXED UNNNUUU 
 MATE      7.7     5.2     2.8   1300  FIXED UNNNUUU 
 MCM4     10.0     4.4    10.7   8002        NNNNNNN 
 MDO1      6.0     2.1     8.0   4180        NNNNNNN 
 METS      5.9     5.6     5.4   1800        NNNNNNN 
 NLIB      5.7     1.8     8.1   4090        NNNNNNN 
 NYAL     11.9     6.6     5.1   1400        NNNNNNN 
 OBER      8.3     5.0     5.3   1610        NNN.... 
 ONSA      7.0     6.8     3.0   1050        NNNNNNN 
 POTS      6.3     6.0     2.8   1650        NNNNNNN 
 RCM6     15.7     2.5     6.6   4830        ....NNN 
 SANT      3.0      .8     2.9   5000  FIXED .UUU.U. 
 STJO      6.0     3.9     7.3   4050        NNNNNNN 
 TAHI     11.4     7.1     8.4   7120        NNNNNN. 
 TAIW     18.3    10.3     6.2   2200  FIXED .N.NUUU 
 THU1     11.4     4.0     5.5   4900        NNNNNNN 
 TIDB      4.3      .7     2.5   3050  FIXED UUUUUUU 
 TSKB      7.4     4.1     7.6   2050        NNNNNNN 
 USUD     11.5     5.3     7.6   2000        NNNNNNN 
 WES2      8.3     3.5     5.0   4080        NNNNNNN 
 WSRT      9.7     7.3     2.5   1110        NNNNNNN 
 WTZR      1.6     6.9     2.6   1601        NNNNNNN 
 YAR1      3.2     1.3      .5   3100  FIXED UUUU... 
 YELL      1.2     1.6     3.0   4700  FIXED UUUUUUU 
 ZWEN      8.3     3.5     7.2   1900        NNNNNNN 
--------------------------------------------------------------------------------


SOLUTION CHARACTERISTICS

1. Software used :   EPOS.P.V2
2. Definition of Terrestrial Reference Frame
     Fiducial-free adjustment of all station coordinates.
     These  coordinates are then fixed in the determination of ERPs and ORBITS
 
3. Data used:
   - undifferenced carrier phases
   - 24 h arc solutions   

5. Adjusted parameters:
   - state vector of all satellites
   - coordinate corrections 
   - daily ERPs
   - tropospheric zenith path delay (4 h)
   - y-bias, solar radiation scaling factor
   - ambiguities
   - STA and SV clock parameters of each observation epoch
    
--------------------------------------------------------------------------------
global: ALGO AREQ ASC1 BAHR BISH BRAZ BRMU CAS1 CHAT COCO DAV1 DGAR DRAO FAIR FORT GOL2 GUAM HARK HOB2 IISC IRKT JPLM KERG KIT3 KOKB KOSG KOUR KWJ1 MAC1 MAD2 MALI MAS1 MATE MCM4 MDO1 METS NLIB NYAL OBER ONSA POTS RCM6 SANT STJO TAHI TAIW THU1 TIDB TSKB USUD WES2 WSRT WTZR YAR1 YELL ZWEN 


[Mailed From: "Thomas Mr. igs" <igs at gfz-potsdam.de>]



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